(1) For paragraph 17A.42A(2)(a), the Registrar may give a written notice to the holder by sending it to:
(a) the address for service in Australia or New Zealand recorded for the holder in the Record of International Registrations; or
(b) if there is no address for service recorded for the holder in the Record of International Registrations--the address for the holder.
(2) The Registrar may notify any person if the Registrar is satisfied that it would be reasonable to do so in all the circumstances.